linux-ext4 - Re: [PATCH v2] iomap: iomap that extends beyond EOF should be marked dirty

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Message-ID: <20191017144808.GJ25548@mit.edu>
Date:   Thu, 17 Oct 2019 10:48:08 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Dave Chinner <david@...morbit.com>, linux-xfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Matthew Bobrowski <mbobrowski@...browski.org>
Subject: Re: [PATCH v2] iomap: iomap that extends beyond EOF should be marked
 dirty

On Thu, Oct 17, 2019 at 07:17:05AM -0700, Christoph Hellwig wrote:
> > 
> > Ext4 is not currently using iomap for any kind of writing right now,
> > so perhaps this should land via Matthew's patchset?
> 
> It does for DAX, which is one of the consumers of IOMAP_F_DIRTY.

Ah, right, I had forgotten about DAX.

					- Ted